DE68918581T2 - Berührungseingabesystem mit umgebungskompensation und programmierbarer verstärkung. - Google Patents

Berührungseingabesystem mit umgebungskompensation und programmierbarer verstärkung.

Info

Publication number
DE68918581T2
DE68918581T2 DE68918581T DE68918581T DE68918581T2 DE 68918581 T2 DE68918581 T2 DE 68918581T2 DE 68918581 T DE68918581 T DE 68918581T DE 68918581 T DE68918581 T DE 68918581T DE 68918581 T2 DE68918581 T2 DE 68918581T2
Authority
DE
Germany
Prior art keywords
enhancement
programmable
entry system
ambient compensation
touch entry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE68918581T
Other languages
English (en)
Other versions
DE68918581D1 (de
Inventor
Wayne Wehrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whitaker LLC
Original Assignee
Whitaker LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whitaker LLC filed Critical Whitaker LLC
Application granted granted Critical
Publication of DE68918581D1 publication Critical patent/DE68918581D1/de
Publication of DE68918581T2 publication Critical patent/DE68918581T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • G06K11/06—Devices for converting the position of a manually-operated writing or tracing member into an electrical signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Artificial Intelligence (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Position Input By Displaying (AREA)
  • Electronic Switches (AREA)
DE68918581T 1988-09-02 1989-07-31 Berührungseingabesystem mit umgebungskompensation und programmierbarer verstärkung. Expired - Lifetime DE68918581T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/240,168 US4988983A (en) 1988-09-02 1988-09-02 Touch entry system with ambient compensation and programmable amplification
PCT/US1989/003263 WO1990003014A1 (en) 1988-09-02 1989-07-31 Touch entry system with ambient compensation and programmable amplification

Publications (2)

Publication Number Publication Date
DE68918581D1 DE68918581D1 (de) 1994-11-03
DE68918581T2 true DE68918581T2 (de) 1995-03-23

Family

ID=22905400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918581T Expired - Lifetime DE68918581T2 (de) 1988-09-02 1989-07-31 Berührungseingabesystem mit umgebungskompensation und programmierbarer verstärkung.

Country Status (6)

Country Link
US (1) US4988983A (de)
EP (1) EP0389581B1 (de)
JP (1) JP2968294B2 (de)
KR (1) KR0128736B1 (de)
DE (1) DE68918581T2 (de)
WO (1) WO1990003014A1 (de)

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US5880954A (en) * 1995-12-04 1999-03-09 Thomson; Robert Continous real time safety-related control system
JP2001134256A (ja) * 1999-11-05 2001-05-18 Sony Corp ディスプレイ装置の利用者検出回路
US6455839B1 (en) * 2000-12-15 2002-09-24 Prospects, Corp. Obstacle detection sensor using synchronous detection
DE10145248C1 (de) * 2001-09-13 2003-03-20 Krohne Messtechnik Kg Verfahren zur Datenübertragung
US20050233287A1 (en) * 2004-04-14 2005-10-20 Vladimir Bulatov Accessible computer system
US7061693B2 (en) 2004-08-16 2006-06-13 Xceed Imaging Ltd. Optical method and system for extended depth of focus
US8575536B2 (en) * 2005-10-07 2013-11-05 Integrated Digital Technologies Inc. Pixel array and touch sensing display panel having the same
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US8748796B2 (en) * 2005-10-07 2014-06-10 Integrated Digital Technologies, Inc. Interactive display panel having touch-sensing functions
US8344313B2 (en) * 2005-10-07 2013-01-01 Integrated Digital Technologies, Inc. Optical input type touch system and feedback control method thereof
US9064772B2 (en) * 2005-10-07 2015-06-23 Integrated Digital Technologies, Inc. Touch screen system having dual touch sensing function
CN101351765B (zh) * 2005-10-24 2010-08-25 Rpo私人有限公司 用于基于波导的光学触摸屏的改进光学元件及方法
CN101432647B (zh) * 2006-05-01 2013-01-30 Rpo私人有限公司 用于光学触摸屏的波导材料
KR101003170B1 (ko) * 2006-09-25 2010-12-22 인테그레이티드 디지털 테크놀로지스, 인코포레이티드 광 검출기 어레이
US20080106527A1 (en) * 2006-11-06 2008-05-08 Rpo Pty Limited Waveguide Configurations for Minimising Substrate Area
US8564252B2 (en) * 2006-11-10 2013-10-22 Cypress Semiconductor Corporation Boost buffer aid for reference buffer
WO2008077195A1 (en) * 2006-12-27 2008-07-03 Jonathan Payne Lens configurations for optical touch systems
US8711129B2 (en) * 2007-01-03 2014-04-29 Apple Inc. Minimizing mismatch during compensation
US8049732B2 (en) * 2007-01-03 2011-11-01 Apple Inc. Front-end signal compensation
US8035401B2 (en) * 2007-04-18 2011-10-11 Cypress Semiconductor Corporation Self-calibrating driver for charging a capacitive load to a desired voltage
US8842366B2 (en) * 2007-05-11 2014-09-23 Zetta Research and Development LLC—RPO Series Transmissive body
US7868877B2 (en) * 2007-10-18 2011-01-11 Freescale Semiconductor, Inc. Touch panel detection circuitry and method of operation
TWI406045B (zh) * 2008-06-30 2013-08-21 Ibm 具有ｓｍｔ元件作為光閘之光學接觸面板及在該面板上之形成光閘的方法
US9092092B2 (en) 2008-08-07 2015-07-28 Rapt Ip Limited Detecting multitouch events in an optical touch-sensitive device using touch event templates
CN102177492B (zh) * 2008-08-07 2014-08-13 拉普特知识产权公司 具有反馈控制的光学控制系统
US8227742B2 (en) 2008-08-07 2012-07-24 Rapt Ip Limited Optical control system with modulated emitters
WO2010015408A1 (en) 2008-08-07 2010-02-11 Owen Drumm Method and apparatus for detecting a multitouch event in an optical touch-sensitive device
SE533704C2 (sv) 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
CN102656546A (zh) * 2009-10-19 2012-09-05 平蛙实验室股份公司 具有二维补偿的触摸表面
US20120050189A1 (en) * 2010-08-31 2012-03-01 Research In Motion Limited System And Method To Integrate Ambient Light Sensor Data Into Infrared Proximity Detector Settings
US8364870B2 (en) 2010-09-30 2013-01-29 Cypress Semiconductor Corporation USB port connected to multiple USB compliant devices
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US9170683B2 (en) 2011-07-22 2015-10-27 Rapt Ip Limited Optical coupler for use in an optical touch sensitive device
US9667240B2 (en) 2011-12-02 2017-05-30 Cypress Semiconductor Corporation Systems and methods for starting up analog circuits
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US9524060B2 (en) 2012-07-13 2016-12-20 Rapt Ip Limited Low power operation of an optical touch-sensitive device for detecting multitouch events
US10019113B2 (en) 2013-04-11 2018-07-10 Flatfrog Laboratories Ab Tomographic processing for touch detection
WO2015005847A1 (en) 2013-07-12 2015-01-15 Flatfrog Laboratories Ab Partial detect mode
WO2015108480A1 (en) 2014-01-16 2015-07-23 Flatfrog Laboratories Ab Improvements in tir-based optical touch systems of projection-type
US10146376B2 (en) 2014-01-16 2018-12-04 Flatfrog Laboratories Ab Light coupling in TIR-based optical touch systems
US10161886B2 (en) 2014-06-27 2018-12-25 Flatfrog Laboratories Ab Detection of surface contamination
EP3250993B1 (de) 2015-01-28 2019-09-04 FlatFrog Laboratories AB Dynamische berührungsquarantänerahmen
US10318074B2 (en) 2015-01-30 2019-06-11 Flatfrog Laboratories Ab Touch-sensing OLED display with tilted emitters
EP3256936A4 (de) 2015-02-09 2018-10-17 FlatFrog Laboratories AB Optisches berührungssystem mit mitteln zur projektion und detektion von lichtstrahlen über und in einer durchlässigen platte
US10401546B2 (en) 2015-03-02 2019-09-03 Flatfrog Laboratories Ab Optical component for light coupling
KR102400705B1 (ko) 2015-12-09 2022-05-23 플라트프로그 라보라토리즈 에이비 개선된 스타일러스 식별
CN110100226A (zh) 2016-11-24 2019-08-06 平蛙实验室股份公司 触摸信号的自动优化
PT3667475T (pt) 2016-12-07 2022-10-17 Flatfrog Lab Ab Dispositivo tátil curvo
CN110300950B (zh) 2017-02-06 2023-06-16 平蛙实验室股份公司 触摸感测系统中的光学耦合
EP3602258B1 (de) 2017-03-22 2024-05-08 FlatFrog Laboratories AB Stiftdifferenzierung für berührungsanzeigen
CN110663015A (zh) 2017-03-28 2020-01-07 平蛙实验室股份公司 触摸感应装置和用于组装的方法
CN111052058B (zh) 2017-09-01 2023-10-20 平蛙实验室股份公司 改进的光学部件
US11567610B2 (en) 2018-03-05 2023-01-31 Flatfrog Laboratories Ab Detection line broadening
US11943563B2 (en) 2019-01-25 2024-03-26 FlatFrog Laboratories, AB Videoconferencing terminal and method of operating the same
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US4243879A (en) * 1978-04-24 1981-01-06 Carroll Manufacturing Corporation Touch panel with ambient light sampling
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US4591710A (en) * 1983-07-11 1986-05-27 Electro Mechanical Systems, Inc. Ambient light and electromagnetic noise reduction circuit
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US4645920A (en) * 1984-10-31 1987-02-24 Carroll Touch, Inc. Early fault detection in an opto-matrix touch input device
GB2173931B (en) * 1985-04-16 1988-05-11 Ncr Co Data input system including a keyboard having no moving parts
US4713534A (en) * 1986-02-18 1987-12-15 Carroll Touch Inc. Phototransistor apparatus with current injection ambient compensation
US4684801A (en) * 1986-02-28 1987-08-04 Carroll Touch Inc. Signal preconditioning for touch entry device

Also Published As

Publication number Publication date
EP0389581B1 (de) 1994-09-28
EP0389581A1 (de) 1990-10-03
KR0128736B1 (ko) 1998-04-15
JP2968294B2 (ja) 1999-10-25
KR900702478A (ko) 1990-12-07
JPH03501071A (ja) 1991-03-07
US4988983A (en) 1991-01-29
WO1990003014A1 (en) 1990-03-22
DE68918581D1 (de) 1994-11-03

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Legal Events

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8364 No opposition during term of opposition